feat(battlenode): receive conductor resolves self Deal+Play headless via view-untangle (M-HC-0)

The engine's receive CONDUCTOR fuses each authoritative mutation behind a view
call: the play mutation is an InstantVfx registered to VfxMgr, and the deal hand
is seated by MulliganPhaseBase.StartDeal wired to OperateReceive.OnReceiveDeal.
Headless, the shared VfxMgr no-op'd registration (correct for the direct
ActionProcessor path the M2-M12 oracles use) and OnReceiveDeal was never wired,
so the receive path resolved nothing.

Untangle (Candidate B, zero Engine logic edits):
- InstantVfx.Run() opt-in executor (authored shim).
- HeadlessConductorVfxMgr : VfxMgr runs registered InstantVfx; wired only via the
  node's SessionContentsCreator.CreateVfxMgr (verified the receive mgr's VfxMgr
  comes from there — BattleManagerBase.cs:768). M2-M12 use HeadlessContentsCreator,
  so they're isolated by construction.
- WireMulliganPhase: construct NetworkMulliganPhase + MulliganEventSetting() to
  install OnReceiveDeal -> StartDeal (the node never pumps the phase machine).

View no-op surface (the 7 from the probe, minus 1 not hit; +1 emergent):
- Deal wiring (NetworkMulliganPhase) [node seed]
- MulliganInfoControl._partsPlayer/_partsOpponent._exchangeMark/_keepZone/_abandonZone [node seed: prefab + SeedMulliganInfoControl]
- Data.BattleRecoveryInfo (IsMulliganEnd=false) [EngineGlobalInit seed]
- IBattlePlayerView.PlayQueueView -> HeadlessPlayQueueViewStub [_IfaceImpl.g.cs, both getters]
- DetailMgr.DetailPanelControl/SubDetailPanelControl [node seed]
- BattleCardIconAnimations.collection (emergent: UpdateInPlayBattleCardIconLabel) -> HeadlessIconAnimations empty SkillCollectionBase [_IfaceImpl.g.cs]
- BattleMenuBtn (probe item 7): NOT hit on the vanilla path; not seeded.

Oracle (HeadlessConductorTests): node Deal seats 3-card hand; a vanilla
hand-card Play leaves hand (-1), adds board (+1), drops PP by cost.

Regression: 24/24 BattleEngine.Tests oracles (M2-M12) green; 241/241
SVSim.UnitTests BattleNode green. The 2 SessionEngine capture-replay shadow
tests are marked Ignore (superseded): they passed VACUOUSLY when the receive
path resolved nothing; with resolution live they hit the documented
capture-replay draw-misalignment artifact. Node-native battles are the oracle.
Drift: no drift.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

SVSim.BattleEngine.Tests/SessionEngine/SessionEngineShadowReplayTests.cs

@@ -20,6 +20,21 @@ namespace SVSim.BattleEngine.Tests.SessionEngine
         [Test]
         public void Shadow_replay_of_captured_battle_tracks_state_without_desync()
         {
+            // SUPERSEDED by the node-native oracle (SVSim.UnitTests HeadlessConductorTests). This test's
+            // "0 rejects" used to pass VACUOUSLY: before the M-HC-0b view-untangle the receive conductor
+            // resolved NOTHING headless (InstantVfx mutations no-op'd; OnReceiveDeal unwired), so no
+            // captured frame could diverge because none was applied. The retracted "shadow tracks the
+            // capture" claim is documented in memory project_battle_node_engine_shadow / _headless_conductor.
+            // Now that the conductor RESOLVES, replaying a captured stream against a node-seated deck hits
+            // the documented capture-replay draw-misalignment: the seated deck order can't reproduce the
+            // capture's post-mulligan idx references, so played cards aren't in the seated hand
+            // (HandCardToField/RemoveSpellCardFromHand: not found). The decision (memory
+            // project_battle_headless_conductor) is to validate headless resolution via NODE-NATIVE
+            // battles, not capture replay. The node-native oracle now covers Deal+Play.
+            Assert.Ignore("Superseded by node-native HeadlessConductorTests (M-HC-0b). Capture-replay " +
+                "against a node-seated deck hits the documented draw-misalignment artifact once the " +
+                "receive path actually resolves. Revive if a capture-replay alignment path lands.");
+
             HeadlessEngineEnv.EnsureInitialized();
 
             var cl1 = CaptureReplay.Load("battle_test_cl1.ndjson");